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import { NestedIntegerType } from "./NestedIntegerType.ts";export type NestedIntegerJSON = number | Array<NestedIntegerJSON>;export class NestedInteger extends Array<NestedInteger> {    constructor(value?: number) {        super();        if (typeof value === "number") {            this.#value = value;            this.#type = NestedIntegerType.integer;        } else {            this.#type = NestedIntegerType.array;            this.#value = 0;        }        this.length = 0;    }    toJSON(): NestedIntegerJSON {        if (this.isInteger()) {            return this.#value;        } else {            return this.getList().map((a) => a.toJSON());        }    }    [k: number]: NestedInteger
    valueOf() {        return this.#value;    }    [Symbol.iterator]() {        return Array.prototype[Symbol.iterator].call(this);    }    #value: number;    #type: NestedIntegerType;
    isInteger(): boolean {        return this.#type === NestedIntegerType.integer;    }
    getInteger(): number | null {        if (this.isInteger()) {            return this.#value;        } else {            return null;        }    }
    setInteger(value: number) {        if (this.isInteger()) {            this.#value = value;        } else {            throw Error("not integer can not set");        }    }
    add(elem: NestedInteger) {        if (this.#type === NestedIntegerType.array) {            Array.prototype.push.call(this, elem);        } else {            throw Error("not array can not add");        }    }
    getList(): NestedInteger[] {        return Array.from(this);    }}